From 3a677dbd86716ef27ad02daea09f249cd184f293 Mon Sep 17 00:00:00 2001 From: Edward O'Callaghan Date: Fri, 12 Sep 2014 03:53:43 +1000 Subject: [PATCH] lenovo/t530: Apply ME workaround for S3 resume Upon S3 resume, the machine powers off due to the ME not being awake yet. Change-Id: I0255dd0fa6b4cb3b539e11a69a618c770c44f4b0 Signed-off-by: Edward O'Callaghan Reviewed-on: http://review.coreboot.org/6876 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel Reviewed-by: Vladimir Serbinenko --- src/mainboard/lenovo/t530/acpi/platform.asl | 4 ++++ src/mainboard/lenovo/t530/dsdt.asl | 1 + 2 files changed, 5 insertions(+) diff --git a/src/mainboard/lenovo/t530/acpi/platform.asl b/src/mainboard/lenovo/t530/acpi/platform.asl index 5466bedc44..72b9dbfa44 100644 --- a/src/mainboard/lenovo/t530/acpi/platform.asl +++ b/src/mainboard/lenovo/t530/acpi/platform.asl @@ -68,6 +68,10 @@ Method(_PTS,1) Method(_WAK,1) { + /* ME may not be up yet. */ + Store (0, \_TZ.MEB1) + Store (0, \_TZ.MEB2) + /* Not implemented. */ Return(Package(){0,0}) } diff --git a/src/mainboard/lenovo/t530/dsdt.asl b/src/mainboard/lenovo/t530/dsdt.asl index 0e7a965d47..c73f795074 100644 --- a/src/mainboard/lenovo/t530/dsdt.asl +++ b/src/mainboard/lenovo/t530/dsdt.asl @@ -24,6 +24,7 @@ #define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.LCD0.DECB #define ACPI_VIDEO_DEVICE \_SB.PCI0.GFX0 #define RP03_IS_EXPRESSCARD 1 +#define EC_LENOVO_H8_ME_WORKAROUND 1 #define HAVE_LCD_SCREEN 1 DefinitionBlock(